Some Important Questions
Part A
Part A
Give
an example for direct and indirect addressing modes of 8085.
What are called as assembler directives? Give two examples.
What is BIOS function call in 8086 ยต p?What is SIM and RIM?
What are called as assembler directives? Give two examples.
What is BIOS function call in 8086 ยต p?What is SIM and RIM?
List any four data formats
What are the modes of operation of 8237?
List the six modes of timer
List the
features of the 8251 interfacing
List the
interrupts of 8051 microcontroller
What is baud rate for mode 0 operation of the
serial port of 8051?
How
address and data lines are demultiplexed in 8085
What is
the function performed by SIM instruction in 8085?
How the
interrupts can be masked? Unmasked in 8086?
List the
interrupts of 8086 microcontroller
List the
interrupts of 8051 microcontroller
What is
pipelined architecture?
What is
instruction cycle?
PART –B
Explain the different addressing modes in
8085. Give examples.
Write an 8085 ALP program to find the largest
8-bit number
Explain about the Architecture of 8085 with
neat Diagram
Write an 8085 assembly language
program to Addition and Subtraction
Draw the
architectural block diagram of 8086 and explain.
Explain about instruction set of 8086
Explain the interrupt structure of an 8086
microprocessor with 8086
Interrupt-pointer table.
Explain
the different addressing modes in 8086. Give examples.
Draw
the architecture 0f 8089 I/O processor and explain the need for 8089 I/O Processor
Compare closely coupled configuration with
loosely coupled configuration
Explain in detail about loosely coupled
systems
Draw the internal block diagram 0f 8087 co
processor and explain
how do you interface a keyboard and the display
using keyboard /display controller (8279)?
Explain in detail about interrupt
controller (8259)
what is DMA? Explain the DMA based
data transfer using 8237 DMA controller.
Explain in detail about timer (8253/54)
draw
the architectural block diagram of 8051 microcontroller and explain
How to interface and display an LCD with micro
controller?
describe the function of the signals present
in 8051
Explain
detail about ADC & DAC
Submitted by
Karthikeyan, AP- ECE
St.Michael College of Engg. & Tech.,
